Country’s construction brings the development of foundation construction, but in some foundation construction you will meet some problems especially very very hard rocks that required foundation pilling with with DTH hammer or cluster hammer and bits, now we need air compressor, which as the power to compressor the air, is the best partner for foundation

The product kelly swivel used as the connection between the kelly bar and steel wire rope, to avoid the damage of wire rope when rotary head drives the kelly bar.

Both Polymer and bentonite can be used as the addictive in bored pile foundation